Chemtrol 250 ORP/pH Digital Controller intended-usage_Spas/Hot Tubs as well as high-end residential

as well as high-end residential pools

and hot tubs

The battery is irremovable and completely sealed and waterproof

and the programs for super chlorination and chemical savings

This Massachusetts and New York Warning No Lifeguard On Duty (16 Years And Under) aluminum sign measures 18 x 24 inches

Chemtrol 250 ORP/pH Digital Controller intended-usage_Spas/Hot Tubs as well as high-end residentialThe Chemtrol 250 ORP pH Digital Controller is a microprocessor based digital controller designed to maintain both sanitizer ORP (oxidation reduction potential or Redox) and water pH. The Chemtrol 250 features adjustable set points, adjustable alarms,out of range alarms, and other features not normally found on these types of controllers. This controller is designed for affordability, simplicity of installation, ease of use, and long term reliability.